A d-shaped part and a u-shaped part mounted on a common axis so as to permit relative rotation between the parts. The u-shaped part has a pin or a bolt across the open legs.
NSN 5945-01-124-4222
NSN 6145-01-401-3713
NSN 5895-01-392-0872
NSN 5990-01-142-0538
NSN 6645-01-262-4853
NSN 7035-00-834-2090
NSN 5910-00-905-8244
NSN 6320-00-994-0179
NSN 5996-00-260-8291
NSN 6610-01-322-1394
NSN 6110-01-155-8170
NSN 4140-01-211-9484